Ordnahce-piece



F. AND J. NIEWINSKI.

ORDNANCE PIECE.

APPLICATION FILED MAY], 1919.

1,317,987. Patented Oct. 7,1919.

FIG. 1

auvewtow' i'm'ewzi'wici we/aka UNITED STATES PATE OFFICE.

FRANK NIEWINSKI AND JOHN NIEwmsKI, or WATERBURY, connncrrcur.

' ORDNANGE-PIECE.

Specification of Letters Patent.

Patented oct. 7, 1919.

To all whom it may concern:

Be it known that we, F ANK NIEWINSKI and JOHN NIEWINSKI, citizens ofPoland, residing at Waterbury, in the county of New Haven and State ofConnecticut, have invented certain new and useful Improvements inOrdnance-Pieces, of which the following is a specification.

The primary object of the present invention is to provide an improvedconstruction in gun mount wherein the tube isrevolu'bly mounted andpreferably driven by a motor to be so operated during thefiring of thegun to assist the rifling upon the interior of the barrel and cause thesharp piercing of the air by the projectile during its travelingmovement.

A further object of the invention is to provide an ordnance pieceincluding a revolubly mounted tube or barrel with a supporting basetherefor that is adjustable to permit a horizontally and verticallyswinging movement of the barrel.

With the above andother objects in view, the invention consists in thenovel combination and arrangement of parts hereinafter more fullydescribed, and shown in the accompanying drawings, in which likereference characters desi ate corresponding parts throughout the severalviews,

In the drawings, Figure 1 is a side elevational view of an ordnancepiece part1 illustrate the rotatab e supporting base and the rotatingbarrel or tube,

Fig. 2 is a top plan view thereof,

Fig. 3 is a cross sectional view taken on line HI-II I of Fig. 2, and

Fig. 4 is a cross sectional view taken on line IVIV' of Fig. 2, thelatter two views showing the strap connections between the rotating tubeand its operating motor.

Describing the invention more in' detail, there is provided a base 5preferably of circular construction and having an annular groove uponthe upper face thereof for the reception of roller bearings 6 that areadapted .to support an upper base section 7 having a central standard 8recessed upon its lower face as illustrated in Fig. 1 for the receptionof the centrally disposed stud 9 formed upon the base 5. A set screw 10'or similar fastening device passes through said standard 8 and extendsinto the annular groove 11, upon the stud 9 wherebysaid upper basesection 7 is revolubly supported shown in section toupon the basesection 5 and prevented from 1 upward movement relative thereto. Theperipheral edge of :the base section 7 is pro= vided with gear teeth 12that are engaged by the pinion 13 mounted upon the vertical shaft 1 fupon which a suitable crank handle may be applied to cause said pinionto be rotated and to impart such movement to the base section 7.

A platform 15 is arranged upon the base section 7 and carries adepending lug 16 of substantial construction, that is pivotally [mountedupon the central standard 8 by the horizontal bolt 17 while the angularPOSltion of said platform '15 relative to the base section 7 is readilycontrolled by the screw 18 having a ball and socket joint 19 with thebase section 7 while the upwardly projecting threaded portion thereofextends through an enlarged opening 20 in the rear projecting portion 21of the platform 15,

suitable lock nuts 22 being threaded on said screw 18 above and belowthe platform extension 21 and cooperating therewith in a manner to holdthe platform in its adjusted position relative to the base.

A pair of upwardly diverging legs 23 are carried by the platform 15 andhave formed upon their upper ends the lower semi-circular section 24 ofa cylindrical bearing, the

'upper section being formed by thecurved plate 25 secured thereto bycooperating side flanges 26, said bearing forming a revoluble seat for agun tube 27 having any preferred form of breech mechanism 28 at theinner end thereof and being rifled as shown at 29. Radial flanges 30 arecarried by the gun tube 27 and are in abutting relation with theadjacent edges of the bearing sections 24 and'25, the friction betweensame being reduced by the ball bearings 31, this construction alsopreventing axial movement of the tube 27. I

Means for rotating the gun tube simultaneously with the firing of thebreech mechalongitudinal nism is provided and includes a'motor 32mounted on said platform 15 between the lower ends of the legs 23 withprojecting chair portions extending forwardly and rearwardly thereof asat 33 upon which sprocket wheels 34: are secured. The portions of thegun tube 27 adjacent each flange 30 is provided with a sprocket Wheel 35keyed thereon and further retained in proper position by the spacingcollars 36 arran ed at op osite. sides thereof while spro st I chains 37extend over the sprocket wheels 34: and 35, whereby when said motor 32is in operation, movement is transmitted to the gun tube 27. a v

From the above detailed description of the construction of the device,it is thought that the operation thereof will at once be apparent, itbeing noted that the gun 27 is shifted in a horizontal position upon thevertical axis of the stud 9 by operating the pinion 13 and causing thebase section 7 to be rotated, while the inclination of the tube -isreadily controlled by thescrew 18 with its adjusting nuts 22.

What we claim as new is l. An ordnance piece including a lower basesection, an upper base section'revolubly supported thereon, a platformpivoted to "swing in vertical directions upon said revvarying theinclination of the platform and gun tube. I

2. An ordnance piece including a lower base section, an upper basesection revolubly supported thereon, a platform pivoted to swing invertical directions upon said revolubly mounted base, supporting legscarried by said platform, a bearing formed at the upper end of saidsupporting legs, a gun tube revolubly supported in said bearing, a motorcarried by said platform, operative connections between said motor andgun tube, a screw having a ball and socket connection with revolublysupported base and loosely extending through said platform and operatingnuts upon said screw at opposite sides of said platform.

3. An ordnance piece including a lower base section, an upper basesection revolubly' supported thereon, a vertically swinging platformupon said upper base section, a gun tube revolubly supported by saidplatform, means carried by said platform in communication with said guntube for rotating the same, cooperating means carried by said platformand upper base section for varying the inclination of said platform andgun tube and means for revolving said upper base section.

In testimony whereof we afii x our signatures.

FRANK NrEwrNsKr. JOHN NIEWrNsKr.

